The rationale for combining them is mechanistic complementarity (different signaling pathways, all three implicated in tissue repair and dermal remodeling) and clinical anecdote in the peptide-therapy community not formal head-to-head, combination-vs-monotherapy, or concentration-response data on the blend itself
Even from reputable suppliers
This dysregulation may have downstream effects on the gut microbiome, which is known to exhibit high levels of dysbiosis in ME/CFS patients (Morten et al., 2018
Summary Dark spots can be triggered by numerous things, especially sun exposure, but also hormones, aging, and acne
Since oxidation via a mixed disulfide does not require binding of GSH to the scaffold site, it is plausible that some class III GRXs might act through this mechanism
These exosomes are involved in cell to cell communication and have more than 200 signaling proteins within them that provide several signals